Remove branches merged into (local) master

remove-merged-git-branches.sh

#!/usr/bin/env bash

# Use either in a repository root or in a folder containing repositories (e.g. src)

pwd=`pwd`

if [[ -e ".git" ]]; then
    repos=$pwd
else
    repos=`find $pwd -name '.git' -maxdepth 2 -exec dirname {} \;`
fi

print_repo_path () {
    dir=`dirname $1`
    name=`basename $1`
    current_branch=`git branch -vv | grep '^*' | sed -e 's/^\* \([^ ]*\).*/\1/'`
    echo -e "\033[0;36m$dir/\033[0;32m$name\033[0m ($current_branch)"
}

print_branch_ref () {
    remote=`dirname $1`
    name=`basename $1`
    if [[ "$remote" == "." ]]; then
        echo -e " - \033[0;33m$name\033[0m"
    else
        remote_url=`git config --get remote.$remote.url`
        echo -e " - \033[0;36m$remote/\033[0;31m$name \033[0m(\033[0;36m$remote_url\033[0m)"
    fi
}

remove_branches () {
    for branch in $@; do
        remote=`dirname $branch`
        name=`basename $branch`

        if [[ "$remote" == "." ]]; then
            echo -e "  $\033[0;35m git branch -d $name\033[0m"
            git branch -d $name
        else
            echo -e "  $\033[0;35m git push $remote :$name\033[0m"
            git push $remote :$name
        fi
    done
}

fetch_repositories() {
    for path in $repos; do
        echo ""
        cd $path
        echo $path
        echo -e "  $\033[0;35m git fetch -p\033[0m"
        git fetch -p
        echo ""
    done
    echo ""
    echo ""
}


while true; do
    read -p "Should the repositories be fetched in advance? " yn
    case $yn in
        [Yy]* ) fetch_repositories $repos; break;;
        [Nn]* ) break;;
        * ) echo "Please answer yes or no.";;
    esac
done

for path in $repos; do
    cd $path
    branches=`(git branch --merged master && git branch -r --merged master) | grep -v 'master' | grep -v HEAD | sed -e 's/\* //'`
    if [[ "$branches" != "" ]]; then
        echo ""
        print_repo_path $path
        for branch in $branches; do
            print_branch_ref $branch
        done

        while true; do
            read -p "Delete those branches? " yn
            case $yn in
                [Yy]* ) remove_branches $branches; break;;
                [Nn]* ) break;;
                * ) echo "Please answer yes or no.";;
            esac
        done

        echo ""

    fi
done